Найти производную функции f (x) = x^2-2x+cos x

f (x) = 3x^4 - 7x^2+2x-1

f (x) = x^3+3x-sinx

f (x) = 2x^5+4x^3-3x+8

f (x) = x^3 (2x-5)

f (x) = x^4 (6x+1)

f (x) = x^2-2x+cos x, f' (x) = 2x - 2 - Sinx

f (x) = 3x^4 - 7x^2+2x-1, f' (x) = 12x^3 - 14x + 2

f (x) = x^3+3x-sinx, f' (x) = 3x^2 + 3 - Cosx

f (x) = 2x^5+4x^3-3x+8, f' (x) = 10x^4 + 12x^2 - 3

f (x) = x^3 (2x-5) = 2x^4 - 5x^3, f' (x) = 8x^3 - 15x^2

f (x) = x^4 (6x+1) = 6x^5 + x^4, f' (x) = 30x^4 + 4x^3

f (x) = x²-2x+cos x;

f' (x) = 2x-2-sinx;

f (x) = 3x⁴ - 7x²+2x-1;

f' (x) = 12x³ - 14x+2;

f (x) = x³+3x-sinx;

f' (x) = 3x²+3-cosx;

f (x) = 2x⁵+4x³-3x+8;

f' (x) = 10x⁴+12x²-3;

f (x) = x³ (2x-5) = 2x⁴-5x³;

f' (x) = 8x³-15x²;

f (x) = x⁴ (6x+1) = 6x⁵+x⁴;

f' (x) = 30x⁴+4x³;